source: asp_ewarm/asp-1.7.0/syssvc/syslog.c@ 61

Last change on this file since 61 was 61, checked in by ertl-honda, 11 years ago

ASP for EWARM のコミット.

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1/*
2 * TOPPERS/ASP Kernel
3 * Toyohashi Open Platform for Embedded Real-Time Systems/
4 * Advanced Standard Profile Kernel
5 *
6 * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
7 * Toyohashi Univ. of Technology, JAPAN
8 * Copyright (C) 2005-2010 by Embedded and Real-Time Systems Laboratory
9 * Graduate School of Information Science, Nagoya Univ., JAPAN
10 *
11 * ã‹L’˜ìŒ ŽÒ‚́CˆÈ‰º‚Ì(1)`(4)‚ÌðŒ‚ð–ž‚½‚·ê‡‚ÉŒÀ‚èC–{ƒ\ƒtƒgƒEƒF
12 * ƒAi–{ƒ\ƒtƒgƒEƒFƒA‚ð‰ü•Ï‚µ‚½‚à‚Ì‚ðŠÜ‚ށDˆÈ‰º“¯‚¶j‚ðŽg—pE•¡»E‰ü
13 * •ÏEÄ”z•ziˆÈ‰ºC—˜—p‚ƌĂԁj‚·‚邱‚Ƃ𖳏ž‚Å‹–‘ø‚·‚éD
14 * (1) –{ƒ\ƒtƒgƒEƒFƒA‚ðƒ\[ƒXƒR[ƒh‚ÌŒ`‚Å—˜—p‚·‚éê‡‚ɂ́Cã‹L‚Ì’˜ì
15 * Œ •\Ž¦C‚±‚Ì—˜—pðŒ‚¨‚æ‚щº‹L‚Ì–³•ÛØ‹K’肪C‚»‚Ì‚Ü‚Ü‚ÌŒ`‚Ń\[
16 * ƒXƒR[ƒh’†‚ÉŠÜ‚Ü‚ê‚Ä‚¢‚邱‚ƁD
17 * (2) –{ƒ\ƒtƒgƒEƒFƒA‚ðCƒ‰ƒCƒuƒ‰ƒŠŒ`Ž®‚ȂǁC‘¼‚̃\ƒtƒgƒEƒFƒAŠJ”­‚ÉŽg
18 * —p‚Å‚«‚éŒ`‚ōĔz•z‚·‚éê‡‚ɂ́CÄ”z•z‚É”º‚¤ƒhƒLƒ…
19ƒƒ“ƒgi—˜—p
20 * ŽÒƒ}ƒjƒ…
21ƒAƒ‹‚Ȃǁj‚ɁCã‹L‚Ì’˜ìŒ •\Ž¦C‚±‚Ì—˜—pðŒ‚¨‚æ‚щº‹L
22 * ‚Ì–³•ÛØ‹K’è‚ðŒfÚ‚·‚邱‚ƁD
23 * (3) –{ƒ\ƒtƒgƒEƒFƒA‚ðC‹@Ší‚É‘g‚ݍž‚ނȂǁC‘¼‚̃\ƒtƒgƒEƒFƒAŠJ”­‚ÉŽg
24 * —p‚Å‚«‚È‚¢Œ`‚ōĔz•z‚·‚éê‡‚ɂ́CŽŸ‚Ì‚¢‚¸‚ê‚©‚ÌðŒ‚ð–ž‚½‚·‚±
25 * ‚ƁD
26 * (a) Ä”z•z‚É”º‚¤ƒhƒLƒ…
27ƒƒ“ƒgi—˜—pŽÒƒ}ƒjƒ…
28ƒAƒ‹‚Ȃǁj‚ɁCã‹L‚Ì’˜
29 * ìŒ •\Ž¦C‚±‚Ì—˜—pðŒ‚¨‚æ‚щº‹L‚Ì–³•ÛØ‹K’è‚ðŒfÚ‚·‚邱‚ƁD
30 * (b) Ä”z•z‚ÌŒ`‘Ô‚ðC•Ê‚É’è‚ß‚é•û–@‚É‚æ‚Á‚āCTOPPERSƒvƒƒWƒFƒNƒg‚É
31 * •ñ‚·‚邱‚ƁD
32 * (4) –{ƒ\ƒtƒgƒEƒFƒA‚Ì—˜—p‚É‚æ‚è’¼Ú“I‚Ü‚½‚͊ԐړI‚ɐ¶‚¶‚é‚¢‚©‚Ȃ鑹
33 * ŠQ‚©‚ç‚àCã‹L’˜ìŒ ŽÒ‚¨‚æ‚ÑTOPPERSƒvƒƒWƒFƒNƒg‚ð–Ɛӂ·‚邱‚ƁD
34 * ‚Ü‚½C–{ƒ\ƒtƒgƒEƒFƒA‚̃†[ƒU‚Ü‚½‚̓Gƒ“ƒhƒ†[ƒU‚©‚ç‚Ì‚¢‚©‚Ȃ闝
35 * —R‚ÉŠî‚­¿‹‚©‚ç‚àCã‹L’˜ìŒ ŽÒ‚¨‚æ‚ÑTOPPERSƒvƒƒWƒFƒNƒg‚ð
36 * –Ɛӂ·‚邱‚ƁD
37 *
38 * –{ƒ\ƒtƒgƒEƒFƒA‚́C–³•ÛØ‚Å’ñ‹Ÿ‚³‚ê‚Ä‚¢‚é‚à‚Ì‚Å‚ ‚éDã‹L’˜ìŒ ŽÒ‚¨
39 * ‚æ‚ÑTOPPERSƒvƒƒWƒFƒNƒg‚́C–{ƒ\ƒtƒgƒEƒFƒA‚ÉŠÖ‚µ‚āC“Á’è‚ÌŽg—p–Ú“I
40 * ‚ɑ΂·‚é“K‡«‚àŠÜ‚߂āC‚¢‚©‚È‚é•ÛØ‚às‚í‚È‚¢D‚Ü‚½C–{ƒ\ƒtƒgƒEƒF
41 * ƒA‚Ì—˜—p‚É‚æ‚è’¼Ú“I‚Ü‚½‚͊ԐړI‚ɐ¶‚¶‚½‚¢‚©‚Ȃ鑹ŠQ‚ÉŠÖ‚µ‚Ä‚àC‚»
42 * ‚̐ӔC‚𕉂í‚È‚¢D
43 *
44 * $Id: syslog.c 1846 2010-07-14 07:37:41Z ertl-hiro $
45 */
46
47/*
48 * ƒVƒXƒeƒ€ƒƒO‹@”\
49 */
50
51#include <sil.h>
52#undef TOPPERS_OMIT_SYSLOG
53#include <t_syslog.h>
54#include <log_output.h>
55#include "target_syssvc.h"
56#include "syslog.h"
57
58/*
59 * ƒgƒŒ[ƒXƒƒOƒ}ƒNƒ‚̃fƒtƒHƒ‹ƒg’è‹`
60 */
61#ifndef LOG_SYSLOG_WRI_LOG_ENTER
62#define LOG_SYSLOG_WRI_LOG_ENTER(prio, p_syslog)
63#endif /* LOG_SYSLOG_WRI_LOG_ENTER */
64
65#ifndef LOG_SYSLOG_WRI_LOG_LEAVE
66#define LOG_SYSLOG_WRI_LOG_LEAVE(ercd)
67#endif /* LOG_SYSLOG_WRI_LOG_LEAVE */
68
69#ifndef LOG_SYSLOG_REA_LOG_ENTER
70#define LOG_SYSLOG_REA_LOG_ENTER(p_syslog)
71#endif /* LOG_SYSLOG_REA_LOG_ENTER */
72
73#ifndef LOG_SYSLOG_REA_LOG_LEAVE
74#define LOG_SYSLOG_REA_LOG_LEAVE(ercd, p_syslog)
75#endif /* LOG_SYSLOG_REA_LOG_LEAVE */
76
77#ifndef LOG_SYSLOG_MSK_LOG_ENTER
78#define LOG_SYSLOG_MSK_LOG_ENTER(logmask, lowmask)
79#endif /* LOG_SYSLOG_MSK_LOG_ENTER */
80
81#ifndef LOG_SYSLOG_MSK_LOG_LEAVE
82#define LOG_SYSLOG_MSK_LOG_LEAVE(ercd)
83#endif /* LOG_SYSLOG_MSK_LOG_LEAVE */
84
85#ifndef LOG_SYSLOG_REF_LOG_ENTER
86#define LOG_SYSLOG_REF_LOG_ENTER(pk_rlog)
87#endif /* LOG_SYSLOG_REF_LOG_ENTER */
88
89#ifndef LOG_SYSLOG_REF_LOG_LEAVE
90#define LOG_SYSLOG_REF_LOG_LEAVE(pk_rlog)
91#endif /* LOG_SYSLOG_REF_LOG_LEAVE */
92
93/*
94 * Œ»Ý‚̃VƒXƒeƒ€Žž
95 *
96 * ƒƒOŽž‚ðŽæ‚èo‚·‚½‚߂ɁC‚â‚Þ‚È‚­CƒJ[ƒlƒ‹‚Ì“à•”•Ï”‚ðŽQÆ‚µ‚Ä‚¢
97 * ‚éD
98 */
99extern ulong_t _kernel_current_time;
100
101/*
102 * ƒƒOƒoƒbƒtƒ@‚Æ‚»‚ê‚ɃAƒNƒZƒX‚·‚邽‚߂̃|ƒCƒ“ƒ^
103 */
104static SYSLOG syslog_buffer[TCNT_SYSLOG_BUFFER]; /* ƒƒOƒoƒbƒtƒ@ */
105static uint_t syslog_count; /* ƒƒOƒoƒbƒtƒ@’†‚̃ƒO‚̐” */
106static uint_t syslog_head; /* æ“ª‚̃ƒO‚ÌŠi”[ˆÊ’u */
107static uint_t syslog_tail; /* ŽŸ‚̃ƒO‚ÌŠi”[ˆÊ’u */
108static uint_t syslog_lost; /* Ž¸‚í‚ꂽƒƒO‚̐” */
109
110/*
111 * o—Í‚·‚ׂ«ƒƒOî•ñ‚̏d—v“xiƒrƒbƒgƒ}ƒbƒvj
112 */
113static uint_t syslog_logmask; /* ƒƒOƒoƒbƒtƒ@‚É‹L˜^‚·‚ׂ«d—v“x */
114static uint_t syslog_lowmask_not; /* ’჌ƒxƒ‹o—Í‚·‚ׂ«d—v“xi”½“]j*/
115
116/*
117 * ƒVƒXƒeƒ€ƒƒO‹@”\‚̏‰Šú‰»
118 */
119void
120syslog_initialize(intptr_t exinf)
121{
122 syslog_count = 0U;
123 syslog_head = syslog_tail = 0U;
124 syslog_lost = 0U;
125 syslog_logmask = 0U;
126 syslog_lowmask_not = 0U;
127}
128
129/*
130 * ƒƒOî•ñ‚̏o—Í
131 *
132 * CPUƒƒbƒNó‘Ô‚âŽÀsƒRƒ“ƒeƒLƒXƒg‚É‚æ‚炸“®ì‚Å‚«‚é‚悤‚ÉŽÀ‘•‚µ‚Ä‚ ‚éD
133 */
134ER
135syslog_wri_log(uint_t prio, const SYSLOG *p_syslog)
136{
137 SIL_PRE_LOC;
138
139 LOG_SYSLOG_WRI_LOG_ENTER(prio, p_syslog);
140 SIL_LOC_INT();
141
142 /*
143 * ƒƒOŽž‚̐ݒè
144 */
145 ((SYSLOG *) p_syslog)->logtim = _kernel_current_time;
146
147 /*
148 * ƒƒOƒoƒbƒtƒ@‚É‹L˜^
149 */
150 if ((syslog_logmask & LOG_MASK(prio)) != 0U) {
151 syslog_buffer[syslog_tail] = *p_syslog;
152 syslog_tail++;
153 if (syslog_tail >= TCNT_SYSLOG_BUFFER) {
154 syslog_tail = 0U;
155 }
156 if (syslog_count < TCNT_SYSLOG_BUFFER) {
157 syslog_count++;
158 }
159 else {
160 syslog_head = syslog_tail;
161 syslog_lost++;
162 }
163 }
164
165 /*
166 * ’჌ƒxƒ‹o—Í
167 */
168 if (((~syslog_lowmask_not) & LOG_MASK(prio)) != 0U) {
169 syslog_print(p_syslog, target_fput_log);
170 (*target_fput_log)('\n');
171 }
172
173 SIL_UNL_INT();
174 LOG_SYSLOG_WRI_LOG_LEAVE(E_OK);
175 return(E_OK);
176}
177
178/*
179 * ƒƒOƒoƒbƒtƒ@‚©‚ç‚̓Ǐo‚µ
180 *
181 * CPUƒƒbƒNó‘Ô‚âŽÀsƒRƒ“ƒeƒLƒXƒg‚É‚æ‚炸“®ì‚Å‚«‚é‚悤‚ÉŽÀ‘•‚µ‚Ä‚ ‚éD
182 */
183ER_UINT
184syslog_rea_log(SYSLOG *p_syslog)
185{
186 ER_UINT ercd;
187 SIL_PRE_LOC;
188
189 LOG_SYSLOG_REA_LOG_ENTER(p_syslog);
190 SIL_LOC_INT();
191
192 /*
193 * ƒƒOƒoƒbƒtƒ@‚©‚ç‚ÌŽæo‚µ
194 */
195 if (syslog_count > 0U) {
196 *p_syslog = syslog_buffer[syslog_head];
197 syslog_count--;
198 syslog_head++;
199 if (syslog_head >= TCNT_SYSLOG_BUFFER) {
200 syslog_head = 0U;
201 }
202 ercd = (ER_UINT) syslog_lost;
203 syslog_lost = 0U;
204 }
205 else {
206 ercd = E_OBJ;
207 }
208
209 SIL_UNL_INT();
210 LOG_SYSLOG_REA_LOG_LEAVE(ercd, p_syslog);
211 return(ercd);
212}
213
214/*
215 * o—Í‚·‚ׂ«ƒƒOî•ñ‚̏d—v“x‚̐ݒè
216 */
217ER
218syslog_msk_log(uint_t logmask, uint_t lowmask)
219{
220 LOG_SYSLOG_MSK_LOG_ENTER(logmask, lowmask);
221 syslog_logmask = logmask;
222 syslog_lowmask_not = ~lowmask;
223 LOG_SYSLOG_MSK_LOG_LEAVE(E_OK);
224 return(E_OK);
225}
226
227/*
228 * ƒƒOƒoƒbƒtƒ@‚̏ó‘ÔŽQÆ
229 */
230ER_UINT
231syslog_ref_log(T_SYSLOG_RLOG *pk_rlog)
232{
233 SIL_PRE_LOC;
234
235 LOG_SYSLOG_REF_LOG_ENTER(pk_rlog);
236 SIL_LOC_INT();
237
238 pk_rlog->count = syslog_count;
239 pk_rlog->lost = syslog_lost;
240 pk_rlog->logmask = syslog_logmask;
241 pk_rlog->lowmask = ~syslog_lowmask_not;
242
243 SIL_UNL_INT();
244 LOG_SYSLOG_REF_LOG_LEAVE(pk_rlog);
245 return(E_OK);
246}
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